<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets//login/login.jpg" alt="" />
      </div>
      <!-- 登陆表单区域 -->
      <el-form
        ref="loginFormRef"
        label-width="0px"
        class="login_form"
        :model="loginform"
        :rules="loginFormRules"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            placeholder="请输入用户名..."
            v-model="loginform.username"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码..."
            v-model="loginform.password"
            prefix-icon="el-icon-lock"
            show-password
            clearable
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //登陆表单的数据绑定对象
      loginform: {
        username: 'admin',
        password: '123456'
      },
      //表单验证对象
      loginFormRules: {
        //验证用户名是否合法
        username: [
          {
            required: true,
            message: '请输入登陆名称',
            trigger: ['blur', 'change']
          },
          { min: 5, max: 15, message: '长度在 5 到 15 个字符', trigger: 'blur' }
        ],
        //验证密码是否合法
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: ['blur', 'change']
          },
          { min: 6, max: 64, message: '长度在 6 到 64 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    //点击重置按钮，重置登陆表单
    resetLoginForm() {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    // login() {
    //   //async异步操作
    //   this.$refs.loginFormRef.validate(async valid => {
    //     // console.log(valid);
    //     if (!valid) return this.$message.error('登陆失败')
    //     this.$message.success('登陆成功')
    //     this.$router.push('/home')
    //   })
    // }
    login(){
      //async异步操作
      this.$refs.loginFormRef.validate( async valid =>{
        // console.log(valid);
        if(!valid) return;
        //发起登陆请求 await只能用在被async修饰的方法中
        const {data:res} = await this.$axios.post('login',this.loginform)
        if(res.meta.status!==200) return this.$message.error("登陆失败")
        this.$message.success("登陆成功")
        window.sessionStorage.setItem('token',res.data.token)
        this.$router.push('/home')
      });
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 20px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solidr#eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  margin: -65px auto;
  background-color: #fff;
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 50px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
